Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
[pandora-kernel.git] / arch / arm / mach-at91 / at91sam9rl_devices.c
index 9945cd2..5f30948 100644 (file)
 #include "generic.h"
 
 
+/* --------------------------------------------------------------------
+ *  USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+       [0] = {
+               .start  = AT91SAM9RL_UDPHS_FIFO,
+               .end    = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = AT91SAM9RL_BASE_UDPHS,
+               .end    = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [2] = {
+               .start  = AT91SAM9RL_ID_UDPHS,
+               .end    = AT91SAM9RL_ID_UDPHS,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc)                 \
+       [idx] = {                                               \
+               .name           = nam,                          \
+               .index          = idx,                          \
+               .fifo_size      = maxpkt,                       \
+               .nr_banks       = maxbk,                        \
+               .can_dma        = dma,                          \
+               .can_isoc       = isoc,                         \
+       }
+
+static struct usba_ep_data usba_udc_ep[] __initdata = {
+       EP("ep0", 0, 64, 1, 0, 0),
+       EP("ep1", 1, 1024, 2, 1, 1),
+       EP("ep2", 2, 1024, 2, 1, 1),
+       EP("ep3", 3, 1024, 3, 1, 0),
+       EP("ep4", 4, 1024, 3, 1, 0),
+       EP("ep5", 5, 1024, 3, 1, 1),
+       EP("ep6", 6, 1024, 3, 1, 1),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+       struct usba_platform_data pdata;
+       struct usba_ep_data ep[7];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+       .name           = "atmel_usba_udc",
+       .id             = -1,
+       .dev            = {
+                               .platform_data  = &usba_udc_data.pdata,
+       },
+       .resource       = usba_udc_resources,
+       .num_resources  = ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+       /*
+        * Invalid pins are 0 on AT91, but the usba driver is shared
+        * with AVR32, which use negative values instead. Once/if
+        * gpio_is_valid() is ported to AT91, revisit this code.
+        */
+       usba_udc_data.pdata.vbus_pin = -EINVAL;
+       usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+       memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
+
+       if (data && data->vbus_pin > 0) {
+               at91_set_gpio_input(data->vbus_pin, 0);
+               at91_set_deglitch(data->vbus_pin, 1);
+               usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+       }
+
+       /* Pullup pin is handled internally by USB device peripheral */
+
+       /* Clocks */
+       at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
+       at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
+
+       platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
+
+
 /* --------------------------------------------------------------------
  *  MMC / SD
  * -------------------------------------------------------------------- */
@@ -138,15 +233,15 @@ void __init at91_add_device_nand(struct atmel_nand_data *data)
        at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
 
        /* set the bus interface characteristics */
-       at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
-                       | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+       at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0)
+                       | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
 
-       at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5)
-                       | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
+       at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
+                       | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
 
-       at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+       at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
 
-       at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
+       at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
 
        /* enable pin */
        if (data->enable_pin)